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Free and bound phenolic acids in inflorescences and rhizomes with roots of Hieracium pilosella L. [Asteraceae]

100%

Gawronska-Grzywacz M., Krzaczek T.

Acta Societatis Botanicorum Poloniae

2006

tom 75

nr 3

215-218

The analysis of the fractions of free and bound, liberated by hydrolysis, phenolic acids in the inflorescences and rhizomes with roots of Hieracium pilosella L. was conducted by 2D-TLC and RP-HPLC methods. In the inflorescences fourteen phenolic acids were found: chlorogenic, gallic, protocatechuic, homoprotocatechuic, caffeic, gentisic, p-hydroxyphenylacetic, p-hydroxybenzoic, m-hydroxybenzoic, p-coumaric, syringic, vanillic, ferulic and salicylic. In the rhizomes with roots nine phenolic acids were identified: chlorogenic, gallic, homoprotocatechuic, caffeic, gentisic, p- hydroxyphenylacetic, p-hydroxybenzoic, syringic and vanillic. By means of the RP-HPLC method the contents of major acids were estimated which ranged from 0.01 mg% up to 139.50 mg%. Caffeic acid is the remarkably dominating constituent of both plant materials. Phenolic compounds may contribute to invasiveness and medicinal properties of this species.

Ograniczanie wyników

1 Acta Societatis Botanicorum Poloniae

1 Gawronska-Grzywacz M.

1 Krzaczek T.

1 2006

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Free and bound phenolic acids in inflorescences and rhizomes with roots of Hieracium pilosella L. [Asteraceae]